USR-N668 User Manual Technical Support:
Jinan USR IOT Technology Limited
www.usriot.com
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Custom registry packages have three kinds of situations: connection sending registry packages, data carrying registry
packages, full registration (both are executed). Content can be based on customers. The user needs to be changed
arbitrarily, up to 40 bytes, and supports sixteen binary input.
Set up a connection to send a registry packet: After the connection is established, send the registry packet
immediately, the main purpose is to enable the server to identify the data source device, or as a password to
obtain server function authorization.
Figure 47 send registration package after connection
Data portability: put the registration packet in the front of data, which is mainly used for protocol transmission.
Figure 48 data with registration package
The function can be set through web pages.
Figure 49 registration package
4.4.4. Modbus TCP
This device provides ModbusTCP turn to ModbusRTU function and defaults by default.
